Qualys, Inc. is a cybersecurity software company that delivers a cloud-based platform for vulnerability management, IT asset visibility, and regulatory compliance. Its Enterprise TruRisk Platform and ... Qualys, Inc. is a cybersecurity software company that delivers a cloud-based platform for vulnerability management, IT asset visibility, and regulatory compliance. Its Enterprise TruRisk Platform and integrated applications help organizations identify and inventory IT and operational technology assets, continuously assess vulnerabilities, prioritize remediation, and verify fixes across on‑premises, cloud, and containerized environments. Core offerings span vulnerability management, detection and response, web application scanning, patch management, endpoint detection and response, policy compliance, file integrity monitoring, and cloud security posture management. Founded in 1999 and headquartered in Foster City, California, Qualys is recognized as an early Software‑as‑a‑Service security pioneer with a large global customer base and partnerships with major cloud and managed service providers. The company serves enterprises, governments, and small to mid-sized businesses across sectors such as financial services, healthcare, technology, retail, and utilities, distributing solutions via direct sales and channel partners. Its role in the market centers on consolidating security and compliance workflows into a single platform to reduce risk and operational complexity.